Journal
APPLIED SURFACE SCIENCE
Volume 297, Issue -, Pages 103-108Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2014.01.086
Keywords
TiO2; Nanotube arrays; Controllable preparation; Growth mechanism
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Funding
- National Natural Science Foundation of China [21203170, 41102025]
- National Training Programs of Innovation and Entrepreneurship for Under-graduates [201310491015]
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In this paper we prepared titanium nanotube arrays in ethylene glycol organic electrolyte which contains ammonium fluoride through anodic oxidation method. We found that the preparation of the structure and morphology of TiO2 nanotube arrays can be controlled by changing the preparation parameters. While the oxidation voltage is the main factor that controls the diameter of nanotubes, the length of nanotubes is mainly depending on the oxidation time, and the crystal type is closely related to the annealing temperature. Its photo-degradation rate of methylene blue can reach to 92% which is almost two times than the titania(P25). (c) 2014 Elsevier B.V. All rights reserved.
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